---
title: "VisionResult.detectContours(_:_:)"
framework: vision
role: symbol
role_heading: Case
path: "vision/visionresult/detectcontours(_:_:)"
---

# VisionResult.detectContours(_:_:)

A result from performing a detect contours request.

## Declaration

```swift
case detectContours(DetectContoursRequest, ContoursObservation)
```

## See Also

### Getting the trajectory, contour, and horizon detection result

- [VisionResult.detectTrajectories(_:_:)](vision/visionresult/detecttrajectories(_:_:).md)
- [VisionResult.detectHorizon(_:_:)](vision/visionresult/detecthorizon(_:_:).md)